Transfer of Heat #1
Heat moves from _______objects to ______objects?
What is "hot to cold" objects?
When you touch a hot metal spoon, it feels hot to your hand because
What is, "the metal spoon conducted heat to your hand"?
When two objects rub or slide against each other, there is __________.
What is friction?
A paper cup was filled with warm tea. After 5 minutes, the temperature of the tea reads 70 degrees Farenheit. A (second) glass cup was filled with the tea, and after 5 minutes, the temperature of the tea was 73 degrees. Which cup kept the water the warmest?
What is the glass cup?
Why would a metal cooked ladle be covered with plastic or rubber near the top?
What is to slow down or stop the transfer of heat to your hands?
If a force is applied in the direction of the motion, its speed will Increase or Decrease?
What is increase?
If you place a metal spoon into a pot of boiling water, what will happen to the heat from the water?
What is, "it will warm up the spoon"?
Hot, boiling water is placed in a container. When Jimmy touches the container seconds after, he notices that his hands didn't burn or get hot. What is the explanation for this?
What is, "because the container was insulated and kept the heat in the inner layers?"
What always changes with an object in motion?
What is its position?
Why are objects (such as a thermos), insulated with layers?
What is to keep objects or liquids hot or cold?
Why do most cooking pots have plastic or rubber handles?
What is to keep the heat from transferring to your hands when you are lifting the pot?
Two students ran a race. Student A ran 50 meters in 40 seconds, Student B ran it in 53 seconds. Which student won the race?
What is student A?
Two metals (bronze and copper) are available to make park swing set seats. The bronze metal transfers heat from the sun in about 5 minutes. The copper metal transfers heat in about 2 minutes. Which kind of metal would be best to use for the park swing set?
What is the bronze metal because it takes longer for the sun to heat it up?
Why do some people prefer "convection" ovens?
What is "because the heat circulates in a convection oven"?
Which two measurements are needed to determine speed?
What are distance and time?